Finding the Fourth Proportional to 81,758.82, 112,858.01 and 47,778.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,758.82 : 112,858.01 = 47,778.38 : x
2. Step 2: Convert to fraction form
   81,758.82/112,858.01 = 47,778.38/x
3. Step 3: Cross multiply
   81,758.82x = 112,858.01 × 47,778.38
4. Step 4: Simplify right side
   81,758.82x = 5,392,172,084.64
5. Step 5: Solve for x
   x = 5,392,172,084.64/81,758.82
6. Step 6: Final answer
   x = 65,952.18